Home / 243,468.03-335,979.57-136,038.93

Finding the Fourth Proportional to 243,468.03, 335,979.57 and 136,038.93

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Solution

The fourth proportional to 243,468.03, 335,979.57 and 136,038.93 is: 187,730.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,468.03 : 335,979.57 = 136,038.93 : x
  2. Step 2: Convert to fraction form
    243,468.03/335,979.57 = 136,038.93/x
  3. Step 3: Cross multiply
    243,468.03x = 335,979.57 × 136,038.93
  4. Step 4: Simplify right side
    243,468.03x = 45,706,301,204.66
  5. Step 5: Solve for x
    x = 45,706,301,204.66/243,468.03
  6. Step 6: Final answer
    x = 187,730.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.